This new NX Eagle derailleur features the proven SRAM X-HORIZON design typical of 1x models. The large 14-tooth X-SYNC lower pulley allows for easy use of a cassette ranging from 11 to 50 teeth, while enhancing the pedalling smoothness specific to the Eagle. The type 3 ROLLER BEARING CLUTCH technology provides consistent and quiet performance.Details:Rear derailleur incorporating our proven X-HORIZON design and type 3 ROLLER BEARING CLUTCH technologyIncreased durability thanks to the mounting system designed for the Eagle ecosystem and specific positioning of the CAGE LOCKMaterial: Aluminium / SteelCompatible with all Eagle groupsWeight: 339 gMaximum tooth count: 50